Alert archive / South Carolina / Tornado Warnings in 2007

Tornado Warning 2, NWS Columbia, SC

February 13, 2007Edgefield County, South Carolina

NWS Columbia, SC issued this tornado warning at Feb 13, 2007, 5:52 PM EST for Edgefield County, South Carolina. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Feb 13, 2007, 5:52 PM EST (22:52 UTC)
Expired: Feb 13, 2007, 6:30 PM EST
In force: 38 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

County Edgefield County, SC

The radar

The Columbia radar (KCAE), 93 km from the middle of the area, began a volume at 22:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Feb 13, 6:00 PM EST	TSTM WND DMG	9 Sw Edgefield, SC	SHERIFF REPORTED SEVERAL TREES AND POWER LINES DOWN IN THE SOUTHWEST PART OF THE COUNTY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 13, 4:54 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 10.9 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 180 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KCAE 132252
TORCAE
SCC037-132330-
/O.NEW.KCAE.TO.W.0002.070213T2252Z-070213T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
552 PM EST TUE FEB 13 2007

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 630 PM EST

* AT 547 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EDGEFIELD
  COUNTY...OR ABOUT 16 MILES NORTH OF EVANS...MOVING NORTHEAST AT 35 MPH.

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST WEDNESDAY
MORNING FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 800, 7
7 5, 7 1 9 9.

LAT...LON 3372 8217 3363 8209 3376 8193 3383 8210

$$
LM

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 13, 3:09 PM EST	Lake Wind Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more	28 hr
Feb 13, 5:47 PM EST	Tornado Warning	CAE	McCormick	28 min
Feb 13, 6:03 PM EST	Tornado Warning	CAE	Edgefield	27 min
Feb 13, 6:05 PM EST	Severe Thunderstorm Warning	CAE	Aiken	40 min
Feb 13, 6:24 PM EST	Severe Thunderstorm Warning	CAE	Saluda	51 min

Nearby

Tornado Warnings in South Carolina, 2007 Every tornado warning in 2007 Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.